Loans and Leases and the Allowance for Loan and Lease Losses (Troubled Debt Restructuring's that Defaulted During the Period) (Details 7) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019 USD ($) contract	Sep. 30, 2018 USD ($) contract	Sep. 30, 2019 USD ($) contract	Sep. 30, 2018 USD ($) contract
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract	20	40	49	88
Recorded Investment (as of period ended), TDRs that Defaulted \| $	$ 526	$ 440	$ 853	$ 996
Minimum
Information related to loans modified as a TDR
Default Period Past Due Following Modification of Loans in TDR (in days)			60 days
Commercial
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract			1	0
Recorded Investment (as of period ended), TDRs that Defaulted \| $			$ 55	$ 0
Commercial \| Commercial and Industrial
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract			1	0
Recorded Investment (as of period ended), TDRs that Defaulted \| $			$ 55	$ 0
Consumer
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract	20	40	48	88
Recorded Investment (as of period ended), TDRs that Defaulted \| $	$ 526	$ 440	$ 798	$ 996
Consumer \| Residential Mortgage
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract	1	0	1	0
Recorded Investment (as of period ended), TDRs that Defaulted \| $	$ 133	$ 0	$ 133	$ 0
Consumer \| Home Equity
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract	1	0	1	0
Recorded Investment (as of period ended), TDRs that Defaulted \| $	$ 195	$ 0	$ 195	$ 0
Consumer \| Automobile
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract	9	12	22	32
Recorded Investment (as of period ended), TDRs that Defaulted \| $	$ 126	$ 266	$ 326	$ 614
Consumer \| Other
Information related to loans modified as a TDR
Number of Contracts, TDRs that Defaulted \| contract	9	28	24	56
Recorded Investment (as of period ended), TDRs that Defaulted \| $	$ 72	$ 174	$ 144	$ 382

Represents the number of days past due following modification of loans in a troubled debt restructuring, when a loan is considered to be in default.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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- Definition

Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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